Galvanized rigid steel and aluminum are the traditional materials for electrical conduit, but since their introduction in the 1960s, plastic and competitive pipe have been rapidly gaining market share ...

Calling all utilities and contractors. The Plastics Pipe Institute Inc. is looking to unearth new data about the longevity of high density polyethylene conduit with help from long-term end users who ...

A three-year study of corrugated high density polyethylene pipe used for drainage underneath a commuter rail line in Pennsylvania found "no discernible differences" in performance between the pipe ...

United Poly Systems, LLC recently became the first manufacturer to achieve NSF International certification to UL Standard 651A for polyethylene electrical conduit pipe, according to a press release.